S. 276CC : Offences and prosecutions–Companies–Failure to furnish return would not come in way of criminal prosecution-Sanction–Commissioner empowered to sou moto initiate penalty even if assessing authority is Additional Commissioner-Return of income–Failure to furnish–Omission on part of the AO to impose penalty by itself does not mean default is not willful-Return of Income–Primary responsibility of furnishing return is of Managing Director–Directors also equally responsible for furnishing return. [S.139, 140, 271F, 278B, 279]